This paper intends to discuss and sift out current and important challenges in Information and Communication Technology (ICT) security for developing countries in the Sub-Saharan Africa where Tanzania will be taken as a case study. As a background we analyze lessons learnt in the processes of computerization, automation and the management of ICT security at the University of Dar es Salaam (UDSM) since it is one of the first higher learning institutions in Tanzania. The backbone of UDSM currently connects more than three thousand workstations and twenty five heavy duty servers that are centrally managed and which support different institutional core services. In the evolution process of computerization and automation of Information and Communication Technology (ICT) at the UDSM that started way back in the early 1990's ICT security was of no priority. While in the western world computerization and automation processes have gradually been incorporating security into ICT infrastruct...